/Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Public/ViewModels/NiagaraParameterDefinitionsPanelViewModel.h
Returns a list of Graphs that are valid for operations to edit their variables and/or metadata. Should collect all Graphs that are currently selected, but also Graphs that are implicitly selected, e.g. the node graph for the script toolkit.
virtual const [TArray](API\Runtime\Core\Containers\TArray)< [UNiagaraGraph](API\Plugins\NiagaraEditor\UNiagaraGraph) * > GetEditableGraphsConst() const